<template>
	<div class="wrapper">
	  <!-- header部分 -->
	  <header>
		<p>用户登陆</p>
	  </header>
  
	  <!-- 表单部分 -->
	  <ul class="form-box">
		<li>
		  <div class="title">手机号码：</div>
		  <div class="content">
			<input type="text" v-model="userId" placeholder="手机号码" />
		  </div>
		</li>
		<li>
		  <div class="title">密码：</div>
		  <div class="content">
			<input type="password" v-model="password" placeholder="密码" />
		  </div>
		</li>
	  </ul>
  
	  <div class="button-login">
		<button @click="login">登陆</button>
	  </div>
	  <div class="button-register">
		<button @click="register">去注册</button>
	  </div>
  
	  <!-- 底部菜单部分 -->
	  <Footer></Footer>
	</div>
  </template>
  
  <script setup>
  import Footer from "../components/Footer.vue";
  import qs from "qs";
  import { useRouter } from "vue-router";
  import { ref, inject } from "vue";
  import { setSessionStorage } from "../common.js";
  
  const axios = inject("axios");
  const router = useRouter();
  
  const userId = ref("");
  const password = ref("");
  
  const login = () => {
	if (userId.value == "") {
	  alert("手机号码不能为空！");
	  return;
	}
	if (password.value == "") {
	  alert("密码不能为空！");
	  return;
	}
  
	//登录请求
	axios
	  .post(
		"UserController/getUserByIdByPass",
		qs.stringify({
		  userId: userId.value,
		  password: password.value,
		})
	  )
	  .then((response) => {
		let user = response.data;
		if (user == null) {
		  alert("用户名或密码不正确！");
		} else {
		  //sessionstorage有容量限制，为了防止数据溢出，所以不将userImg数据放入session中
		  user.userImg = "";
		  setSessionStorage("user", user);
		  router.go(-1);
		}
	  })
	  .catch((error) => {
		console.error(error);
	  });
  };
  
  const register = () => {
	router.push({ path: "register" });
  };
  </script>
  
  <style scoped>
  /****************** 总容器 ******************/
  .wrapper {
	width: 100%;
	height: 100%;
  }
  
  /****************** header部分 ******************/
  .wrapper header {
	width: 100%;
	height: 12vw;
	background-color: #0097ff;
	color: #fff;
	font-size: 4.8vw;
  
	position: fixed;
	left: 0;
	top: 0;
	z-index: 1000;
  
	display: flex;
	justify-content: center;
	align-items: center;
  }
  
  /****************** 表单部分 ******************/
  .wrapper .form-box {
	width: 100%;
	margin-top: 12vw;
  }
  
  .wrapper .form-box li {
	box-sizing: border-box;
	padding: 4vw 3vw 0 3vw;
	display: flex;
	align-items: center;
  }
  
  .wrapper .form-box li .title {
	flex: 0 0 18vw;
	font-size: 3vw;
	font-weight: 700;
	color: #666;
  }
  
  .wrapper .form-box li .content {
	flex: 1;
  }
  
  .wrapper .form-box li .content input {
	border: none;
	outline: none;
	width: 100%;
	height: 4vw;
	font-size: 3vw;
  }
  
  .wrapper .button-login {
	width: 100%;
	box-sizing: border-box;
	padding: 4vw 3vw 0 3vw;
  }
  
  .wrapper .button-login button {
	width: 100%;
	height: 10vw;
	font-size: 3.8vw;
	font-weight: 700;
	color: #fff;
	background-color: #38ca73;
	border-radius: 4px;
  
	border: none;
	outline: none;
  }
  
  .wrapper .button-register {
	width: 100%;
	box-sizing: border-box;
	padding: 4vw 3vw 0 3vw;
  }
  
  .wrapper .button-register button {
	width: 100%;
	height: 10vw;
	font-size: 3.8vw;
	font-weight: 700;
	/*与上面登陆按钮不同的只有颜色、背景色、边框不同*/
	color: #666;
	background-color: #eee;
	border: solid 1px #ddd;
	border-radius: 4px;
  
	border: none;
	outline: none;
  }
  
  /****************** 底部菜单部分 ******************/
  .wrapper .footer {
	width: 100%;
	height: 14vw;
	border-top: solid 1px #ddd;
	background-color: #fff;
  
	position: fixed;
	left: 0;
	bottom: 0;
  
	display: flex;
	justify-content: space-around;
	align-items: center;
  }
  
  .wrapper .footer li {
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
  
	color: #999;
	user-select: none;
	cursor: pointer;
  }
  
  .wrapper .footer li p {
	font-size: 2.8vw;
  }
  
  .wrapper .footer li i {
	font-size: 5vw;
  }
  </style>